Shot blasting machines for technological treatments such as : galvanizing, zinc plating, glueing

Example of treated products

• Mechanical components
• Screws, nuts
• Bolts

Scope of shot blasting

• Surface preparation prior to galvanizing treatment
• Surface preparation prior to zinc laminar plating
• Surface preparation prior to gluing of different materials

Which shot blasting machine ?

Shot blasting machine type Tumblast Tappeto Rampante^® with rubber conveyor
Shot blasting machine with rubber belt conveyor for treatment of pieces lower than 10 kg/each, suitable for tumbling.

Shot blasting machine type Tumblast Tappeto Rampante^® with steel conveyor
Shot blasting machine with steel slat conveyor.
Work-pieces are placed into a container that it is loaded into the machine by a hydraulic skip loader.
Max load of the machine is from 600 to 3000 kg max depending on the model.

Shot blasting machine type CAPRI with hook
Hook type shot blasting machine.
Pieces are hung either singularly or in bunches.
Sizes of CAPRI machines depending of work to be cleaned.

Continuous flow shot blasting machine type ROTOFLOW
Continuous flow shot blasting machine for cleaning small to medium sized work-pieces.
Work-pieces are conveyed in a regular and continuous flow presenting the surface to be treated to the abrasive.
The machine can be supplied with automatic loading/unloading systems.

Shot blast machine for plastic and thermos-settings

Example of treated products:

• Components of electrical appliances
• Decorative elements
• Bakelite components (food sector: pan handles, lids, etc.)

Scope of shot blasting

• Deburring
• Glazing

Which shot blasting machine ?

Shot blasting machine type Tumblast Tappeto Rampante® with rubber conveyor
Shot blasting machine with rubber belt conveyor for treatment of pieces lower than 10 kg/each, suitable for tumbling.

Shot blasting machine type CAPRI with hook or hoist
Hook type shot blasting machine.
Pieces are hung either singularly or in bunches.
Dimensions of CAPRI machines change according to the pieces to be blasted.

Continuous flow shot blasting machine type ROTOFLOW
Continuous flow shot blasting machine for cleaning small to medium sized work-pieces.
Work-pieces are conveyed in a regular and continuous flow presenting the surface to be treated to the abrasive pattern.
The machine can be supplied with automatic loading/unloading systems.

Rotary table shot blasting machine type RT
Very simple machine and economical to run.
Pieces are placed on the table which rotates exposing all visible surfaces to the shot flow.

Shot blast machines for marble and cement

Example of treated products:

• Marble tiles, granite, natural stone products
• Edges and granite elements
• Tiles made of cement aggregate
• Self-blocking tiles made of cement aggregate
• Cement prefabricated panels and components

Scope of shot blasting

• aesthetic treatment
• bush-hammering

Which shot blasting machine ?

Shot blasting machine with wire mesh conveyor type TRL
Shot blasting machine with wire mesh conveyor for processing of marble, granite, cement, natural stone products.
Pieces are placed on a wire mesh conveyor, manually or by automatic loading devices, and conveyed to the blasting chamber (where are installed 2, 4 or more turbines, depending on the type of machine) for blasting.

Shot blasting machines for Aluminium extruded products

Products
Aluminium extruded profiles (door/window frames, furnishing profiles, etc.)

Scope of shot blasting

• Aesthetic finishing
• Surface glazing
• Removal of extrusion defects combined with chemical pickling. The advantage is the reduction of the working time and the less loss of product weight.

Which shot blasting machine ?
Shot blasting machine type LAUCO with roller conveyors
Shot blasting machine with roller conveyors.
Pieces are placed on a modular external conveyor that runs inside the blasting chamber (where are installed 4 wheels or more depending on the type of machine).
Automatic systems allow the abrasive removal from the profile surface at the end of blasting process.

Shot blast machines for heat-treated work-pieces

Example of treated products:

• Castings, steel pressings
• Hot forged components
• Machined work-pieces
• Welded structures

Subject to treatments of:

• Casehardening
• Carbonitriding
• Tempering
• Nitriding
• Hardening and tempering
• Induction tempering
• Normalizing
• Annealing
• Stress relieving

The object of the blasting:

• Removal of oxides subsequent to the heat treatment
• Removing of rust
• Descaling

Which shot blast machine?

Tumblast Machine Tappeto Rampante^® with rubber belt
Tumblast machine, with rubber belt, suitable for pieces with unit weight less than 10 kg, suitable for tumbling.

Steel Slat Tumblast Machine Tappeto Rampante^®
Metal slat Tumblast machine suitable for variable unit weights of 10 – 250kg

Shot blast machine hook or hoist type CAPRI
Hook shot blast machine.
The work-pieces can be loaded individually or in multiple loads.
CAPRI Shot blasting machine varies accordingly to the size and weights of components to be treated.

Shot blast machine carousel type SANDERMATIC
This version of a hook machine is more automated than the CAPRI. The machine has an overhead handling system equipped with moving hooks automatically equally spaced suitable for high production.

Shot blast machine type TUNNELBLAST
Work-pieces to be cleaned may be suspended on an overhead chain conveyor system by hoists, or with trolleys running on rails at floor level.
Suitable for medium/large work-pieces.
The plant can be integrated in automatic production line of shot blasting and painting.

Shot blast machine continuous flow type ROTOFLOW
A shot-blast machine with continuous flow of the pieces to be treated. From small to medium sizes. The pieces to be treated tumble and move forward along a regular and continuous way, exposing all the surface to be treated to the stream of the abrasive. The machine is often provided with automatic systems for loading and unloading.

Shot blasting machines for steel structural works

Examples of treated products:

• Steel structural works for industrial and civil buildings (sheds, bridges, viaducs, stadium, warehouses, gangways, ladders, platforms, etc.)
• Agricultural machines
• Earth moving machines
• Building and road machines
• Cranes
• Bridge cranes
• Industrial vehicles
• Axles of trailers
• Railway vehicles
• Metal tanks
• Current transformers
• Fastenings, gates, door and window frames

Scope of shot blasting

• Descaling
• Removal of oxide
• Preparation of the surfaces for painting, plasticization, enameling, metallization treatments, etc.

Which shot blasting machine ?

Shot blasting machine with hook type CAPRI
It is the more versatile shot blasting machine of our range.
Pieces are hung on a rotating hook of the handling system, singularly or in bunch, that runs inside the machine for the blasting treatment.
The range includes more than 100 different types of hook shot blasting machines depending on dimension and weight of the pieces to be treated and on the handling system.

Shot blasting machine type LAUCO
Shot blasting machine with roller conveyors.
Pieces are placed on a modular external conveyor that runs inside the blasting chamber (where are installed 4 wheels or more depending on the type of machine).

Tunnel shot blasting machine type TUNNELBLAST
Tunnel shot blasting machine.
The blast cleaning operation is done by a handling system, chain overhead rail or hoists, or by trolleys running on floor level rails.
Suitable for cleaning medium to large size products.
This shot blasting machine can be set in automatic lines for blasting/painting process.

Carousel shot blasting machine with hook type SANDERMATIC
Shot blasting machine with double doors where pieces are hung on a hook moving automatically step by step.
Operation is very similar to CAPRI shot blasting machines.
Machine suitable for high production.

Shot blasting machines for wire and steel bar

Example of treated products:

• Steel metallic wire
• Inox metallic wire
• Copper wire
• Galvanized wire
• Steel bars
• Steel drawn rods
• Round drawn rods
• Hexagonal drawn rods
• Square drawn rods

Scope of shot blasting

• Drawn wire descaling
• Drawn bar descaling

Which shot blasting machine ?

Shot blasting machine type SWS
Shot blasting machine for mechanical descaling of wire and bars by wheels throwing steel shot.
Available in different models depending on the type of production required.
The SWS machine can be fixed in-line, prior to the wire-drawing operation, or integrated in gauging lines. Cold-draw bar may also be descaled by this method or off-line served by winding machines or suitable roller conveyors.

Shot blasting machine type SBS
Automatic shot blasting machine for “T” steel bars, single passage, handling system with motorized rollers.

Shot blasting machines for paint removal

Example of treated products:

• Hanging devices
• Bottles
• General metal products

Scope of shot blasting

• Following cryogenic or pyrolytic treatments, cleaning of hanging devices and grates of paint installations.
• Removal of adhering paint
• Preparation for painting

Which shot blasting machine ?

Shot blasting machine with Diabolo rollers type RBC
Shot blasting machine for high production. Work-piece is loaded either manually or by automatic means onto a Diabolo roller skew conveyor. Work-pieces is conveyed through the machine whilst rotating. In a single pass, it is possible to obtain on a SA 2½ to SA3 surface finishing.

Shot blasting machine with hook type carriers, termed “CAPRI”
Probably the most versatile machine in the range. Work-piece to be cleaned is suspended on a hook for treatment.
A “Y” type rail outside the chamber can accommodate two loads, one inside the blast chamber being treated and the other outside the chamber for loading and unloading.

Shot blasting machine for cleaning plate and sections termed “ LAUCO “

Straight through machine with multiple blast wheels. Work-piece placed on a horizontal roller conveyor for passage into and out of the blast zone.
Loading and unloading of work-piece can be achieved either by overhead crane or side transfer means.

Shot blasting machines for pipes

Example of treated products

• Calendered pipes
• Centrifuged pipes
• Welded pipes
• Seamless pipes

Scope of shot blasting

• Descaling
• Surface preparation prior to painting or powder coating, also with thermal-insulation products, etc.
• Surface preparation for machining.

Which shot blasting machine ?

Shot blasting machine type LAUCO with roller conveyors
Tunnel shot blasting machine with horizontal roller conveyors conveniently shaped for positioning and guiding of pipes. Depending on the shape of the inlet roller conveyor, it is possible to treat at the same time one or more pipes.
On the blasting plant it is possible to fit suitable devices in order to obtain in only one working cycle both external blasting and inner sandblasting, by the use of compress air lances.

Shot blasting machine for pipes type SANDERPIPES
Shot blasting machine suitable for treating the external surface of pipes with continuous passage.
Shot blasting machine with single passage.
Suitable for pipelines.

Shot blasting machine with skew rollers type RBC
Shot blasting machine for high production. Pieces are loaded manually, or by automatic devices, on a conveyor with skew rollers. Pieces rotate and move forward simultaneously.
In a single pass through the blasting chamber, it is possible to obtain a surface finishing degree SA 2½ or SA3.

Shot blast machines for steel pressed and forged pieces

Example of treated products:

• Hot or cold pressed (forks, shafts, connecting rods, hubs, arms, flanges, gears, pinions, rings, etc.)
• Forged pieces
• Parts for the automotive industry
• Parts of agricultural machinery
• Parts of earth moving machines
• Parts for industrial vehicles
• Parts for the oil & gas
• Parts for the Energy field

Aim of the blasting operation

• Removal of scale (steel hot pressed pieces)
• Preparation of the surface to a following machining

Which shot blasting machine ?

Tappeto Rampante^® Tumblast machine with steel conveyor
Tumblast machine, with steel link and steel slats, suitable for parts having unit weight between 10 to 250 kg, suitable for tumbling.

Tappeto Rampante^® Tumblast machine with rubber conveyor
Tumblast machine, with rubber belt, suitable for work-pieces with single piece weighing less than 10 kg, suitable for tumbling.

Spinner hanger Shot blast machine with hook or hoist type CAPRI
Spinner hanger shot blast machine.
The work-pieces can be loaded individually or in clusters.
The size of the shot blast machine CAPRI varies according to the object to be treated.

Shot blast machine carousel SANDERMATIC
It is the version hook type machine more automated and complex than CAPRI machine. The machine has a system of overhead handling system equipped with hooks moving automatically step by step.
Suitable for high production.

Shot blast machine continuous flow type ROTOFLOW
A shot-blast machine continuous flow for the treatment of pieces medium / small size. The pieces to be treated tumble and move forward a regular and continuous way, exposing all the surface to be treated to the stream of the abrasive. The machine is often provided with automatic systems for loading and unloading.

Shot blasting machines for aluminium die-casting and its alloys

Examples of treated products:

Aluminium work-pieces for :

• Automototive industry
• Food industry
• Telecommunication industry
• White goods field
• Components for urban and domestic furnishing
• Lighting conponents
• Transmission components
• Mechanical components

Scope of shot blasting

• Surface finishing
• Removal of small burrs
• Preparation of the surface for machining

Which shot blasting machine ?

Shot blasting machine type Tumblast Tappeto Rampante^® with rubber apron conveyor
Shot blasting machine with rubber belt conveyor for treatment of pieces lower than 10 kg/each, suitable for tumbling.

Shot blasting machine with wire mesh conveyor type CWB
Shot blasting machine with wire mesh conveyor.
Work-pieces are placed on a high resistant wire mesh conveyor and blasted in a single pass through the blasting chamber.
Machines particularly suitable for high production and avoiding deformation or damages of work-pieces.

Shot blasting machine type CAPRI with hook or hoist
Hook type shot blasting machine.
Pieces are hung either singularly or in bunches.
Size of CAPRI machines change according to the pieces to be blasted.

Carousel shot blasting machine with hook type SANDERMATIC
It is the more automatized and complex version than the hook shot blasting machine type CAPRI.
SANDERMATIC is equipped with an overhead handling system moving forward automatically step by step. Suitable for high production.

Continuous flow shot blasting machine type ROTOFLOW
Continuous flow shot blasting machine for cleaning small to medium sized work-pieces.
Work-pieces are conveyed in a regular and continuous flow presenting the surface to be treated to the abrasive.
The machine can be supplied with automatic loading/unloading systems.

Shot blasting machine with rotating satellites table type TR
Shot blasting machine suitable for blasting the pieces positioned on a rotating holding fixture (ex: wheels for automotive field).
The machine presents always a free satellite for loading/unloading operations that can be easily automatized by robot.

Shot blast machines for plates and sections

Examples of treated products:

• Profiles and hot-rolled plates
• Rolled beams and welded beams
• Billets
• Coils

Scope of shot blasting

• Descaling
• Removal of oxide and welding rest
• Preparation of the surface to the following treatment of paint
• Preparation of the surface to the following machining

Which shot blasting machine ?

Shot blasting machine type LAUCO with roller conveyors
Tunnel shot blasting machine with horizontal roller conveyors.
Installation dimensions could be between 500 mm to 4500 mm width.
Suitable for plates and profiles.
Loading and unloading of the pieces can be done by bridge crane or by side transfer systems.

Shot blasting machine type TUNNEL
The blast cleaning operation is done by a handling system, chain overhead rail or hoists, or by trolleys running on floor level rails.
Suitable for cleaning medium to large size products.
This shot blasting machine can be set in automatic lines for blasting/painting process.

Shot blasting machine type SANDERPLATE
In alternative to LAUCO machine with horizontal roller conveyors, OMSG can offer a machine type SANDERPLATE, vertical throughput.

Shot blasting machine type COILS
Shot blasting machines for coils.
High performance machine that can be included in an automatic line or “off-line”.

OMSG shot blasting machines work with metallic shot or grit, size and dimension can change following the type of work-pieces to be treated.
OMSG recommends the use of shot of good quality, hardness between 46÷51 HRC, dimension between S230 and S390 (in case of round shot).
Besides the round shot, it is possible to use angular grit or a mix of both (taking into consideration hardness and dimension mentioned above).
For some applications, such as stainless steel cylinders, then a nickel-chrome stainless steel shot would be preferable.
In certain applications the use of special abrasives such as: Aluminium or Brass shot would be necessary where steel abrasive contamination is to be avoided. Natural abrasive, ceramic abrasive, Aluminium shot, brass shot, etc.). it is necessary to compare carefully the compatibility, the performances and maintenance/operating costs.

Shot-peening machines

Example of treated products :

• Fatigue strength of mechanical elements such as:
• gears
• transmission components
• springs
• leaf springs
• shafts

Scope of the shot peening

• Improve of fatigue strength of certain components.

Which shot blasting machine ?

Shot blasting machine with rotating satellites table type TR
Shot blasting machine suitable for blasting the pieces positioned on a rotating holding fixture.
The machine presents always a free satellite for loading/unloading operations that can be easily automatized by robot.

Shot blasting machine type CAPRI with hook or hoist
Shot blasting machine with hook.
Pieces are loaded singularly or in batch.
Dimensions of CAPRI machine depend on work-pieces to blast.

Shot blasting machine type TUMBLAST Tappeto Rampante^® with steel conveyor
Shot blasting machine with steel slat conveyor for treatment of work-pieces between 10÷250 kg/each, suitable for tumbling.

Shot blasting machine type TUMBLAST Tappeto Rampante^® with rubber conveyor
Shot blasting machine type with rubber conveyor for treatment of work-pieces lower than 10 kg/each, suitable for tumbling.

Shot blast machines for liquid and compressed gas bottles

Examples of treated products:

• Household gas bottles
• Oxygen, argon, elio bottles
• Hospital use bottles
• Acetylene bottles
• Diving bottles

Scope of shot blasting

• Descaling
• Removal of oxide
• Preparation of the surface for painting treatment
• Paint removal for gas bottles to be reconditioned
• Inner blasting of bottles

Which shot blasting machine ?
The choice of the most suitable machine basically depends on three variables: bottle dimensions, required production and handling system.
OMSG’ products range includes:

Shot blasting machine with skew rollers type RBC
Shot blasting machine for high production. Pieces are loaded manually, or by automatic devices, on a conveyor with skew rollers. Pieces rotate and move forward simultaneously.
In only one passage through the blasting chamber, it is possible to obtain a surface finishing degree SA 2½ or SA3.

Shot blasting machine, one cycle operation, type RB
Compact and economic shot blasting machine running by one cycle operation, manual loading and unloading. It is a good solution if you want a simple and economic machine.

Shot blasting machine with hook type CAPRI
It is the more versatile shot blasting machine of our range. Bottles are hung on a hook, singularly or in bunch.
A Y rail permits to reduce the idle production times. When one bottle is inside the blasting chamber, the other one is ready outside to be discharged and replaced by another one to be blasted.

Carousel shot blasting machine type SANDERMATIC
It is the more automatized and complex version than the hook shot blasting machine type CAPRI.
SANDERMATIC is equipped with an overhead handling system moving forward automatically step by step. Suitable for high production.

Tunnel shot blasting machine type TUNNELBLAST
Tunnel shot blasting machine that can be included in complete and automatic blasting and painting lines.

Compressed air shot blasting machine type INNERBLAST for inner blasting.
Shot blasting machine for automatic internal cleaning of gas bottles.
Loading and unloading can be achieved by robots.

Shot blasting machine for brass forgings

Example of treated products:

• Taps and fittings
• Pipe fittings
• Sanitary appliances
• Valves

Scope of shot blasting

• Descaling
• Deflashing

Which shot blasting machine ?

Shot blasting machine type Tumblast Tappeto Rampante^® with steel conveyor
Shot blasting machine with steel slat conveyor. Components to be cleaned can be loaded by an open tote bin placed into the skip loader which hydraulically loads the work by tipping the tote bin to enable all pieces to discharge into the mill of the machine.

Maximum load of the machine is from 600 to 3000 kg depending on the model.

Continuous flow shot blasting machine type ROTOFLOW
Continuous flow shot blasting machine for cleaning small to medium sized work-pieces.
Work-pieces are conveyed in a regular and continuous flow presenting the surface to be treated to the abrasive.
The machine can be supplied with automatic loading/unloading systems.

Shot blasting machine type Tumblast Tappeto Rampante^® with rubber conveyor
Shot blasting machine with rubber belt conveyor for treatment of pieces lower than 10 kg/each, suitable for tumbling.

Shot blasting machine with wire mesh conveyor type CWB
Shot blasting machine with wire mesh conveyor.
Work-pieces are placed on a high resistant wire mesh conveyor and blasted in only one passage through the blasting chamber.
Machine particularly suitable for high production and indicated to avoid deformation or damages of work-pieces (it is an alternative to Tumblast).

Shot blasting machines for ferrous and non-ferrous cast-irons

Examples of treated products:

• Cast-irons (disks, hubs, pumps, valves, components for earth moving machines, basement of tooling and textile machines, street furniture, oil & gas sector, shipyard and railway sectors, etc.)
• Steel castings (automotive sector, agricultural, military and shipyard machines, machines for earth movements, etc.)
• Brass castings (taps and fittings, valves, hydro-thermo-sanitary components).
• Aluminium castings (Aluminium gravity shell castings, wheels, automotive sector, etc.)
• Bronze castings
• Copper castings

Scope of shot blasting

• Decoring (sand removing)
• Descaling
• Preparation of the surface to the next painting treatment
• Deburring of the pieces

Which shot blasting machine ?
OMSG can offer different technical solutions depending on the type of production, dimension and weight of pieces to be treated, production required by the customer, loading/unloading systems and required automations.

The most common machines of Foundry sector are :

Shot blasting machine type Tappeto Rampante^® with steel conveyor
Shot blasting machine with steel slat conveyor for treatment of pieces between 10÷250 kg/each, suitable for tumbling.

Shot blasting machine type Tappeto Rampante^® with rubber conveyor
Shot blasting machine with rubber belt conveyor for treatment of pieces lower than 10 kg/each, suitable for tumbling.

Shot blasting machine type CAPRI with hook
Hook type shot blasting machine.
Pieces are hung either singularly or in barches.
Dimensions of CAPRI machines change according to the pieces to be blasted.

Carousel shot blasting machine with hook type SANDERMATIC
It is the more automatized and complex version than the hook shot blasting machine type CAPRI.
SANDERMATIC is equipped with an overhead handling system moving forward automatically step by step. Suitable for high production.

Tunnel shot blasting machine type TUNNELBLAST
Tunnel shot blasting machine.
The shot cleaning operation is done by a hanging system, chain overhead rail or hoists, or by trolleys running on floor level rails.
Suitable for cleaning medium to large size products.

Rotary table shot blasting machine type RT
Very simple machine and economical type to run.
Pieces are placed on the table which rotates exposing all visible surface to the shot flow throwing wheel.

Special shot blasting machines
OMSG manufactures a complete range of special installations, realized ad hoc as per customer’s requirements.
For foundry, we can offer shot blasting machines with hoists and special overhead handling systems, automatic sand machines for ingot moulds, etc.

Special devices

• Vibrating screen
• Magnetic abrasive cleaner devices
• Special protections for blasting chamber